Technetium: uses

The following uses for technetium are gathered from a number of sources as well as from anecdotal comments. I'd be delighted to receive corrections as well as additional referenced uses (please use the feedback mechanism to add uses).

  • ammonium pertechnate, NH4TcO4, is a specialist corrosion inhibitor for steel. Mild carbon steels are protected by 5 ppm of KTcO4 in aerated distilled water at temperatures up to 250°C. This corrosion protection is limited to closed systems, since technetium is radioactive
  • superconductor at 11 K and below
  • medical imaging agents
  • 95Tc is used for tracer work (radioactive tracers)

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